Home / 19,113.30-26,398.74-17,431.74

Finding the Fourth Proportional to 19,113.30, 26,398.74 and 17,431.74

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Solution

The fourth proportional to 19,113.30, 26,398.74 and 17,431.74 is: 24,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.30 : 26,398.74 = 17,431.74 : x
  2. Step 2: Convert to fraction form
    19,113.30/26,398.74 = 17,431.74/x
  3. Step 3: Cross multiply
    19,113.30x = 26,398.74 × 17,431.74
  4. Step 4: Simplify right side
    19,113.30x = 460,175,972.01
  5. Step 5: Solve for x
    x = 460,175,972.01/19,113.30
  6. Step 6: Final answer
    x = 24,076.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.